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GetObjectPath: ensure use of escaped name in all cases and use TruncateUsingHash() 

68a0079c26 introduced two problems that are fixed
with this commit:
1. The new truncated/hashed name did not use EscapeName()
2. There was a possible collision of names when creating objects with a full
   name of format "[80 characters]...[40 hex digits]" (i.e. the same as the
   truncated/hashed variant but short enough that it isn't hashed)
This commit is contained in:
Julian Brost 2021-06-17 09:02:58 +02:00
parent 97d6876803
commit e079762c8e
1 changed files with 6 additions and 4 deletions
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10
lib/remote/configobjectutility.cpp
View File

@ -35,15 +35,17 @@ String ConfigObjectUtility::GetObjectConfigPath(const Type::Ptr& type, const Str
boost::algorithm::to_lower(typeDir);
/* This may throw an exception the caller above must handle. */
String prefix = GetConfigDir();
String prefix = GetConfigDir() + "/conf.d/" + type->GetPluralName().ToLower() + "/";
auto old (prefix + "/conf.d/" + typeDir + "/" + EscapeName(fullName) + ".conf");
String escapedName = EscapeName(fullName);
if (fullName.GetLength() <= 80u + 3u /* "..." */ + 40u /* hex SHA1 */ || Utility::PathExists(old)) {
String old = prefix + escapedName + ".conf";
if (Utility::PathExists(old)) {
return std::move(old);
}
return prefix + "/conf.d/" + typeDir + "/" + fullName.SubStr(0, 80) + "..." + SHA1(fullName) + ".conf";
/* Maximum length 80 bytes object name + 3 bytes "..." + 40 bytes SHA1 (hex-encoded) */
return prefix + Utility::TruncateUsingHash<80+3+40>(escapedName) + ".conf";
}
void ConfigObjectUtility::RepairPackage(const String& package)